Necessary preliminary tasks

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Remove ENGINE
Mount engine on ASSEMBLY STAND
Remove VIBRATION DAMPER
Remove OIL SUMP
Remove OIL PUMP
Remove oil pump/vacuum pump CHAIN MODULE
Remove timing CHAIN MODULE
Remove CYLINDER HEAD
Remove FLYWHEEL
Removing all PISTONS

Release screws (1).

Tightening torque 11 13 6AZ .

Installation:

Replace aluminum screws.

Remove oil deflector (2).

NOTE: Graphic shows the screw connection of the oil deflector (2) for vehicles with optional extra SA203 (all-wheel drive).

Fig 1: Identifying Oil Deflector And Screws

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Release screws (1).

Tightening torque 11 11 2AZ .

Unfasten screws (2).

Tightening torque 11 11 3AZ .

Installation:

Replace aluminum screws.

Fig 2: Identifying Screws

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Release screws (1).

Tightening torque 11 11 4AZ .

Unfasten screws (2).

Tightening torque 11 11 2AZ .

Installation:

Replace aluminum screws.

Release steel screws (1 to 14) from outside inwards.

Tightening torque 11 11 1AZ .

Fig 3: Crankcase Bolts Tightening/Loosening Sequence

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Release screws (1).

Tightening torque 11 11 3AZ .

Installation:

Replace aluminum screws.

Lift out bedplate.

Fig 4: Identifying Screws

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Remove crankshaft (1) in direction of arrow.

IMPORTANT: Remove crankshaft with aid of a second person.
Weight of crankshaft approx. 25 kg.

Remove bearing shells (2) and guide bearing shell (3), replace if necessary.

Clean all sealing faces with special tool 11 4 470 .

Fig 5: Removing Crankshaft

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Check adapter sleeves (1) for damage and secure seating; replace if necessary.

Install all BEARING SHELLS .

Installation:

Lubricate all bearing points with engine oil.

NOTE: Graphic shows N46.

Fig 6: Identifying Adapter Sleeves

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Insert crankshaft (1).

IMPORTANT: Install crankshaft with aid of a second person.
Weight of crankshaft approx. 25 kg.

Fig 7: Identifying Crankshaft

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Tighten steel screws (1 to 14) from inside outwards.

Tightening torque 11 11 1AZ .

Tighten screws (2) from inside outwards.

Tightening torque 11 11 2AZ .

Tighten screws (1).

Tightening torque 11 11 4AZ .

Installation:

Replace aluminum screws.

Fig 8: Crankcase Bolts Tightening/Loosening Sequence

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Tighten aluminum screws exclusively with special tool 00 9 120 .

IMPORTANT: In the case of aluminum screws, jointing torque and angle of rotation must be observed without fail.

Fig 9: Tightening Aluminum Screws Using Special Tool (00 9 120)

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Set up stand with magnetic foot (1) on special tool 11 4 440 .

Set up special tool 00 2 510 on stand.

Position special tool 00 2 510 See N52K-03B1S2 CRANKSHAFT AND BEARINGS ; N52K-03B1S1 CRANKSHAFT AND BEARINGS ; CRANKSHAFT AND BEARINGS N52K/B30 ; CRANKSHAFT AND BEARINGS N52K/B25 ; CRANKSHAFT AND BEARINGS N52K/B30 or CRANKSHAFT AND BEARINGS N52K/B25 on crankshaft.

Move crankshaft in direction of arrow.

Determine bearing play.

Fig 10: Moving Crankshaft

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Drive in both nozzles (1) with special tool 11 9 360 on left and right into crankcase.

Installation:

Always replace nozzles (1).

Fig 11: Installing Nozzles Into Crankcase Using Special Tool (11 9 360)

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Replace CRANKSHAFT RADIAL SEAL at front.

Replace CRANKSHAFT RADIAL SEAL (transmission side).

Installation:

Use primer 1.3 and liquid gasket 1.4.

Prepare liquid gasket (1) in special tool 11 4 370 .

Screw on nozzle for injecting liquid gasket.

Fig 12: Identifying Injector And Screw Caps

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Slowly insert liquid gasket (1) with special tool 11 4 370 in direction of arrow.

Fig 13: Inserting Liquid Gasket Using Special Tool (11 4 370)

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Stop (seal off) escaping liquid gasket with primer 1.3.

(Picture shows N40).

Fig 14: Sealing Liquid Gasket Using Primer 1.3

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Assemble engine.